Former ACLU president Nadine Strossen argues that without freedom of expression we don't have freedom of speech.

With some major college campuses disavowing "dangerous ideas" from certain speakers on campus, this can lead to a slippery slope wherein ideas—and even ways of life—can be marginalized entirely.

The Charles Koch Foundation is committed to understanding what drives intolerance and the best ways to cure it. The foundation supports interdisciplinary research to overcome intolerance, new models for peaceful interactions, and experiments that can heal fractured communities. For more information, visit charleskochfoundation.org/courageous-collaborations.

The opinions expressed in this video do not necessarily reflect the views of the Charles Koch Foundation, which encourages the expression of diverse viewpoints within a culture of civil discourse and mutual respect.

Former U.S. President Barack Obama speaks during a Democratic Congressional Campaign Committee rally at the Anaheim Convention Center on September 8, 2018 in Anaheim, California. (Photo by Barbara Davidson/Getty Images)

The ability to communicate effectively can make or break a person's assessment of your intelligence, competence, and authenticity.